On the morning of the third day there were peals of thunder and lightning, and a heavy cloud over the mountain, and a very loud blast of the shofar, so that all the people in the camp trembled.
Now Mount Sinai was completely enveloped in smoke, because the Lord had come down upon it in fire. The smoke rose from it as though from a kiln, and the whole mountain trembled violently.
Then God’s temple in heaven was opened, and the ark of his covenant could be seen in the temple. There were flashes of lightning, rumblings, and peals of thunder, an earthquake, and a violent hailstorm.